and text messages indicate some of those were inspired in part by televised scenes of protesters in cairo in rage other an anti- muslim video running on the internet. others seem to have nothing more in mind than looting. that first attack created an opportunity for the second attack. whether it was planned that way all along is not clear. u.s. officials say the four hour lull gave the attackers time to bring up more fire power. they fired five rounds. the first two missed. the next three hit. david martin, cbs news, the pentagon. >> at least four wounded veterans were killed today when a train hit a parade float in midland, texas. the accident happened as the wounded warrior ares were taken part in a parade. as it crossed other some railroad tracks they were hit by an on coming train. an eyewitness says the parade got stuck on the tracks. >> the gates actually hit the first people on the trailer. started going back up. it wasn't i say 8 to 10 seconds later the train blew through the end of the trailer. >> at least 10 other people are in critical condition tonight. the parade was supposed